--User changes

-Add post_smartcrop.

--Bug fixes
 -Fix bug in crackle.
 -Wrong point assignment in hexaplay3D, hexnix3D.
 -Improper Z assignment in rblur.
 -Fix inconsistency with original in circlecrop.
 -Put EMBER_ROOT bakc to ./../../../ in default.pri. This is TBD.

--Code changes
 -Convert all enums to class enum to be consistent with C++11 style.
 -Convert some if/else statements in filter classes to case statements.
 -Add overloaded stream operators to print various enums.
 -Optimize crob, nBlur.
 -Fix weird assignment statement in falloff3.
 -Cleanup in VarFuncs::SimplexNoise3D().
 -Replace fabs() with std::abs().
 -General cleanup.

Source/Ember/Ember.cpp

@@ -379,6 +379,7 @@ uint Timing::m_ProcessorCount;
 	EXPORTPREPOSTREGVAR(BubbleT3D, T) \
 	EXPORTPREPOSTREGVAR(Synth, T) \
 	EXPORTPREPOSTREGVAR(Crackle, T) \
+	template EMBER_API class PostSmartcropVariation<T>; /*Only implemented as post.*/ \
 	EXPORTPREPOSTREGVAR(DCBubble, T) \
 	EXPORTPREPOSTREGVAR(DCCarpet, T) \
 	EXPORTPREPOSTREGVAR(DCCube, T) \